Open data
for California

This is not a Natural Hazard Disclosure statement. Open state data, explained; flood and dam zones are not covered. Details

Is Acalanes Ridge in a fire hazard severity zone?

6.4% of Acalanes Ridge is mapped in a fire hazard severity zone, and 0.0% in High or Very High, where the seller disclosures apply.

Very High zone0.0% of the area
High zone0.0%
Moderate zone6.4%
Earthquake fault zone0.0%
Liquefaction zone20.7%
Landslide zone17.3%
Fires recorded since 19500
Land area0.4 sq mi
Median home value (2019-2023)$1,574,600
Flood and dam zonesnot covered

In land area, that is 0.03 sq mi Moderate, out of 0.45 sq mi. Its High and Very High share of 0.0% is 48.0 points below the 48.0% of Contra Costa County. The median home value of $1,574,600 is 90% above the county median of $830,800. Among 53 places in the county it ranks 38 for exposure; Port Costa ranks first at 100.0%. Seismic maps cover Acalanes Ridge with liquefaction 20.7%, landslide 17.3%.

Zones differ from street to street: check the address above. In Contra Costa County overall, 17.4% of the land is Very High.

No fire perimeter since 1950 touches Acalanes Ridge in the state record. Small fires are often missing from it.

Nearby places compared

All of Contra Costa County